Patents by Inventor Hiroshi Take

Hiroshi Take has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11153691
    Abstract: A thin-film filter includes thin-film part having a film surface and a rear film surface arranged a rear side of the film surface, a plurality of through holes being formed to penetrate the thin-film part from the film surface to the rear film surface, and stripes-formed inner wall surfaces. The stripes-formed inner wall surfaces include stripe-like parts formed along with an intersecting direction intersecting the film surface. The stripes-formed inner wall surfaces are formed inside the respective through holes.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: October 19, 2021
    Assignee: SAE Magnetics (H.K.) Ltd.
    Inventors: Hiroshi Take, Makoto Yoshida, Anthony Reymund Melad Binarao, Cheng Bu Heng
  • Publication number: 20210051417
    Abstract: A thin-film filter includes thin-film part having a film surface and a rear film surface arranged at the rear side of the film surface, a plurality of through holes, being formed to penetrate the thin-film part from the film surface to the rear film surface, the through holes are formed along by a slanting direction being made an acute angle or an obtuse angle with the film surface, and stripes-formed inner wall surfaces. The stripes-formed inner wall surfaces include stripe-like parts formed along by the slanting direction. The stripes-formed inner wall surfaces are formed inside the respective through holes.
    Type: Application
    Filed: July 17, 2020
    Publication date: February 18, 2021
    Inventors: Hiroshi Take, Masashi Shiraishi, Toyotaka Kobayashi, Makoto Yoshida, Anthony Reymund Melad Binarao, Cheng Bu Heng
  • Publication number: 20200299126
    Abstract: A MEMS package includes a MEMS chip, a package substrate which the MEMS chip is adhered and a thin-film filter which is adhered to the package substrate or the MEMS chip. The thin-film filter includes a thin-film part having a film surface and a rear film surface arranged a rear side of the film surface, and a plurality of through holes being formed to penetrate the thin-film part from the film surface to the rear film surface. The through holes are formed in an adhesive region of the thin-film part. The adhesive region is adhered to the package substrate or the MEMS chip.
    Type: Application
    Filed: February 13, 2020
    Publication date: September 24, 2020
    Inventors: Hiroshi Take, Makoto Yoshida, Anthony Reymund Melad Binarao, Cheng Bu Heng
  • Publication number: 20200296518
    Abstract: A thin-film filter includes thin-film part having a film surface and a rear film surface arranged a rear side of the film surface, a plurality of through holes being formed to penetrate the thin-film part from the film surface to the rear film surface, and stripes-formed inner wall surfaces. The stripes-formed inner wall surfaces include stripe-like parts formed along with an intersecting direction intersecting the film surface. The stripes-formed inner wall surfaces are formed inside the respective through holes.
    Type: Application
    Filed: December 12, 2019
    Publication date: September 17, 2020
    Inventors: Hiroshi Take, Makoto Yoshida, Anthony Reymund Melad Binarao, Cheng Bu Heng
  • Patent number: 8477474
    Abstract: To provide a thin film capacitor having a device structure for suppressing peeling between an insulating film and a substrate. A thin film capacitor 100 has a laminate structure that is formed by laminating a lower electrode 20, a dielectric film 30, and an upper electrode 40 in sequence on a substrate 10. An adhesion layer 41 is formed on a side surface of the lower electrode 20 via the dielectric film 30, and an insulating film 50 in contact with the adhesion layer 41 covers the laminate structure. According to this device structure, the adhesion layer 41 having excellent adhesiveness to the insulating film 50 is disposed between the insulating film 50 and the dielectric film 30, so that peeling of the insulating film 50 can be suppressed.
    Type: Grant
    Filed: March 4, 2010
    Date of Patent: July 2, 2013
    Assignee: TDK Corporation
    Inventors: Toshiyuki Yoshizawa, Akira Furuya, Masaomi Ishikura, Keisuke Takasugi, Hiroshi Take
  • Patent number: 8013257
    Abstract: The present invention provides an electronic component which is capable of effectively suppressing the characteristic deterioration of the passive element portion. An electronic component comprises a ceramic substrate, a passive element portion on the substrate, an insulator layer which is provided over the passive element portion and comprises a through-hole, a lead terminal which is fitted in the through-hole of the insulator layer and electrically connected to the passive element portion, and an external connection terminal which is electrically connected to the lead terminal. The insulator layer comprises a first face on the side of the passive element portion, a second face on the side opposite the passive element portion, and a third face which connects the first face and the second face and constitutes the peripheral face of the insulator layer, the external connection terminal is in contact with the lead terminal and the second face and the third face of the insulator layer.
    Type: Grant
    Filed: December 24, 2008
    Date of Patent: September 6, 2011
    Assignee: TDK Corporation
    Inventors: Akira Furuya, Masahiro Miyazaki, Hiroshi Take, Keisuke Takasugi
  • Publication number: 20100246090
    Abstract: To provide a thin film capacitor having a device structure for suppressing peeling between an insulating film and a substrate. A thin film capacitor 100 has a laminate structure that is formed by laminating a lower electrode 20, a dielectric film 30, and an upper electrode 40 in sequence on a substrate 10. An adhesion layer 41 is formed on a side surface of the lower electrode 20 via the dielectric film 30, and an insulating film 50 in contact with the adhesion layer 41 covers the laminate structure. According to this device structure, the adhesion layer 41 having excellent adhesiveness to the insulating film 50 is disposed between the insulating film 50 and the dielectric film 30, so that peeling of the insulating film 50 can be suppressed.
    Type: Application
    Filed: March 4, 2010
    Publication date: September 30, 2010
    Applicant: TDK CORPORATION
    Inventors: Toshiyuki YOSHIZAWA, Akira FURUYA, Masaomi ISHIKURA, Keisuke TAKASUGI, Hiroshi TAKE
  • Publication number: 20090166074
    Abstract: The present invention provides an electronic component which is capable of effectively suppressing the characteristic deterioration of the passive element portion. An electronic component comprises a ceramic substrate, a passive element portion on the substrate, an insulator layer which is provided over the passive element portion and comprises a through-hole, a lead terminal which is fitted in the through-hole of the insulator layer and electrically connected to the passive element portion, and an external connection terminal which is electrically connected to the lead terminal. The insulator layer comprises a first face on the side of the passive element portion, a second face on the side opposite the passive element portion, and a third face which connects the first face and the second face and constitutes the peripheral face of the insulator layer, the external connection terminal is in contact with the lead terminal and the second face and the third face of the insulator layer.
    Type: Application
    Filed: December 24, 2008
    Publication date: July 2, 2009
    Applicant: TDK CORPORATION
    Inventors: Akira FURUYA, Masahiro MIYAZAKI, Hiroshi TAKE, Keisuke TAKASUGI
  • Patent number: 7524549
    Abstract: An optical information medium includes a light-transmitting supporting substrate, an information recording layer on one surface of the supporting substrate, a protective layer on the information recording layer, and a light-transmitting hard coat layer on an other surface of the supporting substrate. The medium is configured to have a recording/reproducing beam incident into the information recording layer through the hard coat later and the supporting substrate.
    Type: Grant
    Filed: September 17, 2007
    Date of Patent: April 28, 2009
    Assignee: TDK Corporation
    Inventors: Hidetake Itoh, Kazushi Tanaka, Naoki Hayashida, Hiroshi Take
  • Patent number: 7338695
    Abstract: A simple method for evaluating an optical information medium by judging quantitatively and reproducibly the surface quality of the optical information medium by the use of an artificial fingerprint liquid as an evaluation dispersion liquid, is provided. An optical information medium having a remarkably excellent anti-staining property of the surface which is on the incident side of recording/reproducing beam is provided. A method for evaluating an optical information medium, comprising: adhering an artificial fingerprint liquid containing a fine-particle-form substance and a dispersion medium capable of dispersing the fine-particle-form substance onto the surface of the optical information medium which is on the incident side of a recording/reproducing beam; observing the state of the artificial fingerprint liquid droplets adhered to the surface; and judging the quality of the medium surface.
    Type: Grant
    Filed: April 15, 2005
    Date of Patent: March 4, 2008
    Assignee: TDK Corporation
    Inventors: Hidetake Itoh, Kazushi Tanaka, Naoki Hayashida, Hiroshi Take
  • Publication number: 20080014400
    Abstract: An optical information medium includes a light-transmitting supporting substrate, an information recording layer on one surface of the supporting substrate, a protective layer on the information recording layer, and a light-transmitting hard coat layer on an other surface of the supporting substrate. The medium is configured to have a recording/reproducing beam incident into the information recording layer through the hard coat later and the supporting substrate.
    Type: Application
    Filed: September 17, 2007
    Publication date: January 17, 2008
    Applicant: TDK Corporation
    Inventors: Hidetake ITOH, Kazushi Tanaka, Naoki Hayashida, Hiroshi Take
  • Patent number: 7247417
    Abstract: The present invention provides an optical recording medium that includes a recording layer composed mainly of an organic compound and can utilize blue-violet semiconductor laser light (390 to 420 nm in wavelength) as recording/reproducing laser light. The present invention also provides an optical recording/reproducing method using the optical recording medium. The optical recording medium 1 comprises at least a supporting substrate 2; a recording layer 3 on the supporting substrate 2, the recording layer 3 containing an organic compound as a major component; and a light-transmitting layer 5 on the recording layer 3, the light-transmitting layer 5 being capable of transmitting laser light with a wavelength of 390 to 420 nm for recording and reproducing information.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: July 24, 2007
    Assignee: TDK Corporation
    Inventors: Narutoshi Fukuzawa, Takashi Horai, Hiroshi Take
  • Publication number: 20070048486
    Abstract: It is an object of the present invention to provide a dye material which can be employed in short-wavelength optical recording media, while being excellent in solubility to solvents. The dye material in accordance with a preferred embodiment of the present invention contains a cyanine compound and an azo compound. The cyanine compound contains at least a trimethinecyanine compound in which an aromatic structure including two nitrogen-containing heterocyclic rings is combined to a trimethine group. At least one of the nitrogen-containing heterocyclic rings includes a benzyl group which may have a substituent, while at least one of them includes an organic group having a carbon number of 2 to 30 substituted by a nitrogen atom. The azo compound contains at least a chelate compound of a compound containing an azo group and a metal.
    Type: Application
    Filed: August 22, 2006
    Publication date: March 1, 2007
    Applicant: TDK CORPORATION
    Inventors: Masahiro Shinkai, Junji Tanabe, Shuji Tsukamoto, Takashi Horai, Hiroshi Take
  • Patent number: 7167439
    Abstract: It is an object of the present invention to provide a multilevel optical recording medium in which influence of variation in characteristics of a recording layer in a plane of the recording layer on reproduced data can be corrected The multilevel optical recording medium according to the present invention includes at least a recording layer 12 and is constituted so that data can be recorded therein in a multilevel manner by controlling a state of the recording layer 12 among multiple stages and the multilevel optical recording medium according to the present invention is characterized in that a plurality of calibration signals are stored in the recording layer 12.
    Type: Grant
    Filed: December 4, 2002
    Date of Patent: January 23, 2007
    Assignee: TDK Corporation
    Inventors: Hiroshi Take, Hiroyuki Arioka, Narutoshi Fukuzawa, Shuji Tsukamoto, Takashi Horai, Motohiro Inoue
  • Patent number: 7102969
    Abstract: A reproduction method for a multi-level optical recording medium according to the present invention rotates an optical recording medium, on which recording data has been recorded according to a multi-level recording method which sets several levels for light reflectivity of virtual recording cells, emits a reproduction laser beam towards the optical recording medium, and reproduces the recording data based on an electric signal generated in accordance with a received level of reflected light, the method setting the emission power of the reproduction laser beam in a range of 1.0 mW to 2.5 mW inclusive when the optical recording medium is rotated at a linear velocity in a range of 9 m/s to 25 m/s inclusive. By doing so, it is possible to improve the read accuracy for recording data while suppressing the reproduction deterioration of the optical recording medium to a level where deterioration effectively does not occur.
    Type: Grant
    Filed: September 11, 2002
    Date of Patent: September 5, 2006
    Assignee: TDK Corporation
    Inventors: Syuji Tsukamoto, Hiroyuki Arioka, Narutoshi Fukuzawa, Takashi Horai, Hiroshi Take, Motohiro Inoue
  • Patent number: 7014902
    Abstract: An optical disc is includes a recording layer, a reflective layer, and a protective layer provided, in that order, on one surface of a light-transmissive substrate and a hard coating layer having a thickness in the range of 1 to 5 ?m on the other surface of the substrate. The hard coating layer is formed by applying and curing a solution comprising a hard coating agent containing colloidal silica and a UV-curable acrylic resin and a solvent containing butyl acetate as a principal constituent. The hard coating layer contains 90 mg/cm3 or less of residual solvent.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: March 21, 2006
    Assignee: TDK Corporation
    Inventors: Narutoshi Fukuzawa, Hiroshi Take, Hiroshi Kawahara
  • Patent number: 7008683
    Abstract: An optical disc is includes a recording layer, a reflective layer, and a protective layer provided, in that order, on one surface of a light-transmissive substrate and a hard coating layer having a thickness in the range of 1 to 5 ?m on the other surface of the substrate. The hard coating layer is formed by applying and curing a solution comprising a hard coating agent containing colloidal silica and a UV-curable acrylic resin and a solvent containing propylene glycol monomethyl ether acetate as a principal constituent. The hard coating layer contains 110 mg/cm3 or less of residual solvent.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: March 7, 2006
    Assignee: TDK Corporation
    Inventors: Narutoshi Fukuzawa, Hiroshi Take, Hiroshi Kawahara
  • Patent number: 7008682
    Abstract: An optical disc is includes a recording layer, a reflective layer, and a protective layer provided, in that order, on one surface of a light-transmissive substrate and a hard coating layer having a thickness in the range of 1 to 5 ?m on the other surface of the substrate. The hard coating layer is formed by applying and curing a solution comprising a hard coating agent containing colloidal silica and a UV-curable acrylic resin and a solvent containing propylene glycol monomethyl ether as a principal constituent. The hard coating layer contains 40 mg/cm3 or less of residual solvent.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: March 7, 2006
    Assignee: TDK Corporation
    Inventors: Narutoshi Fukuzawa, Hiroshi Take, Hiroshi Kawahara
  • Publication number: 20060024615
    Abstract: An optical recording medium includes a recording layer containing a cyanine dye and a quencher and a light transmittance reducing section for reducing the transmission of ultraviolet rays to the recording layer, and the light transmittance reducing section is composed of at least one of a substrate and a function layer. When the component ratio of the quencher to the total number of moles of the cyanine dye and the quencher is shown by A and the transmittance of ultraviolet rays of the light transmittance reducing section is shown by B, the component ratio A and the transmittance B are defined to satisfy the following mathematical formulas (1) and (2). With this arrangement, the optical recording medium can execute recording at a high linear speed while securing sufficient light stability. 0.3?A??(B+0.075)/1.25??(1) 0.3?B?0.
    Type: Application
    Filed: July 27, 2005
    Publication date: February 2, 2006
    Applicant: TDK Corporation
    Inventors: Takashi Horai, Hiroshi Take
  • Publication number: 20050196576
    Abstract: A simple method for evaluating an optical information medium by judging quantitatively and reproducibly the surface quality of the optical information medium by the use of an artificial fingerprint liquid as an evaluation dispersion liquid, is provided. An optical information medium having a remarkably excellent anti-staining property of the surface which is on the incident side of recording/reproducing beam is provided. A method for evaluating an optical information medium, comprising: adhering an artificial fingerprint liquid containing a fine-particle-form substance and a dispersion medium capable of dispersing the fine-particle-form substance onto the surface of the optical information medium which is on the incident side of a recording/reproducing beam; observing the state of the artificial fingerprint liquid droplets adhered to the surface; and judging the quality of the medium surface.
    Type: Application
    Filed: April 15, 2005
    Publication date: September 8, 2005
    Applicant: TDK Corporation
    Inventors: Hidetake Itoh, Kazushi Tanaka, Naoki Hayashida, Hiroshi Take